H03B2200/0048 - CPC Classification Index

#1

20190013779

2019-01-10

Oscillator circuit

#2

20180248518

2018-08-30

Optoelectronic oscillator with tunable filter

#3

20170025998

2017-01-26

Systems and methods for graphene mechanical oscillators with tunable frequencies

#4

20150162916

2015-06-11

Fractional-N synthesizer

#5

20150084708

2015-03-26

Low phase noise voltage controlled oscillators

#6

20140320215

2014-10-30

Oscillator

#7

20140292376

2014-10-02

Fractional-N synthesizer

#8

20140070898

2014-03-13

Low phase noise voltage controlled oscillators

#9

20140015569

2014-01-16

Frequency synthesizer tuning

#10

20140009236

2014-01-09

CONFIGURABLE MULTI-MODE OSCILLATORS

#11

20140009234

2014-01-09

Oscillator system

#12

20130127499

2013-05-23

Fractional-N synthesizer

#13

20130120074

2013-05-16

Multi-frequency reconfigurable voltage controlled oscillator (VCO) and method of providing same

#14

20130038399

2013-02-14

Oscillation circuit and associated method

#15

20120262243

2012-10-18

Oscillator having a plurality of switchable MEMS vibrators

#16

20120169426

2012-07-05

Multi-band frequency oscillating device

#17

20120142283

2012-06-07

WIRELESS COMMUNICATION APPARATUS

#18

20110133848

2011-06-09

Oscillator having micro-electromechanical resonators and driver circuits therein that support in-phase and out-of-phase signals

#19

20100271086

2010-10-28

Dual-band coupled VCO

#20

20100225408

2010-09-09

Method and system for voltage controlled oscillator impedance control to optimize performance, efficiency, and power consumption

#21

20100171557

2010-07-08

Voltage controlled oscillator, and PLL circuit and wireless communication device each using the same

#22

20100060111

2010-03-11

Thin-film piezoelectric-on-insulator resonators having perforated resonator bodies therein

#23

20100026403

2010-02-04

SELECTABLE DRIVE STRENGTH HIGH FREQUENCY CRYSTAL OSCILLATOR CIRCUIT

#24

20090289732

2009-11-26

SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE AND FREQUENCY SYNTHESIZER

#25

20090289731

2009-11-26

RESONATOR CIRCUIT AND VOLTAGE-CONTROLLED OSCILLATOR USING THE SAME

#26

20090102572

2009-04-23

Parallel-structured switched variable inductor circuit

#27

20090072663

2009-03-19

Single-resonator dual-frequency lateral-extension mode piezoelectric oscillators, and operating methods thereof

#28

20090058536

2009-03-05

Apparatus and method for phase lock loop gain control using unit current sources

#29

20080309415

2008-12-18

High-frequency oscillator and electronic apparatus

#30

20080297266

2008-12-04

Oscillator with coupled amplifier

#31

20080278249

2008-11-13

LC-TYPE VCO

#32

20080238566

2008-10-02

High frequency oscillator circuit with feedback circuit of fet and short-stub transmission line

#33

20080174361

2008-07-24

Apparatus and method for phase lock loop gain control using unit current sources

#34

20080164957

2008-07-10

Frequency-tunable oscillator arrangement

#35

20080157890

2008-07-03

Oscillator having multiple oscillation units

#36

20080129403

2008-06-05

Dual-band voltage controlled oscillator

#37

20080012654

2008-01-17

LINEARIZED VARIABLE-CAPACITANCE MODULE AND LC RESONANCE CIRCUIT USING THE SAME

#38

20070268076

2007-11-22

Apparatus and method for phase lock gain control using unit current sources

#39

20070247238

2007-10-25

Apparatus and method for phase lock loop gain control

#40

20070146088

2007-06-28

OSCILLATION CIRCUIT AND A SEMICONDUCTOR CIRCUIT DEVICE HAVING THE OSCILLATION CIRCUIT

#41

20070145368

2007-06-28

Two-frequency switchover type crystal oscillator

#42

20070115069

2007-05-24

Voltage controlled oscillator with full adder

#43

20070104290

2007-05-10

Fast mode switching frequency synthesizing apparatus and method for operating in low power consumption

#44

20070090884

2007-04-26

Method, system and apparatus for reducing oscillator frequency spiking during oscillator frequency adjustment

#45

20070046399

2007-03-01

Saw resonator

#46

20070018747

2007-01-25

Apparatus and method for phase lock loop gain control

#47

20070001775

2007-01-04

Voltage controlled oscillator (VCO) tuning

#48

20060284689

2006-12-21

Apparatus and method for phase lock loop gain control using unit current sources

#49

20060255873

2006-11-16

Dual-band oscillator

#50

20060197620

2006-09-07

Dual mode tuning digitally controlled crystal oscillator and operation method thereof

#51

20060181363

2006-08-17

Parallel-structured switched variable inductor circuit

#52

20060158260

2006-07-20

Device and method for frequency synthesis

#53

20060152292

2006-07-13

Voltage-controlled oscillator circuit with analogue and digital actuation

#54

20060145771

2006-07-06

Voltage controlled oscillator having improved phase noise

#55

20060097797

2006-05-11

Apparatus and method for phase lock loop gain control using unit current sources

#56

20060097796

2006-05-11

Apparatus and method for phase lock loop gain control using unit current sources

#57

20060038629

2006-02-23

Local oscillating circuit for receiving high-band and low-band signal

#58

20060033587

2006-02-16

Coupled-inductor multi-band VCO

#59

20050275478

2005-12-15

Voltage controlled oscillator, and PLL circuit and wireless communication apparatus using the same

#60

20050174186

2005-08-11

Apparatus and method for phase lock loop gain control using unit current sources

#61

20050168297

2005-08-04

Apparatus and method for phase lock loop gain control using unit current sources

#62

20050104677

2005-05-19

Apparatus and method for phase lock loop gain control using unit current sources

#63

20050093639

2005-05-05

Switching circuit and voltage-controlled oscillator including the same

#64

20050073371

2005-04-07

Voltage controlled oscillator having improved phase noise

#65

20050017814

2005-01-27

High-frequency oscillator